Question
a negative charge 5.0 X 10^-4 C exerts a repulstio force of 7.0 N .on second charge away 0.05 m away.
what is the sign and magnitude of the second charge
what is the sign and magnitude of the second charge
Answers
adithya
find the force exerted by proton and the electron in a hydrogen atom they are 5.0 X 10^-19 coulomb